public void TestLeaf()
{
using (TCODBSP bspSized = new TCODBSP(0, 0, 10, 10))
{
bspSized.SplitOnce(false, 6);
Assert.IsFalse(bspSized.IsLeaf());
Assert.IsTrue(bspSized.GetLeft().IsLeaf());
Assert.IsTrue(bspSized.GetRight().IsLeaf());
}
}
// the class building the dungeon from the bsp nodes
bool traverse_node(TCODBSP node)
{
TCODRandom rnd = new TCODRandom();
if (node.IsLeaf())
{
// calculate the room size
int minx = node.x + 1;
int maxx = node.x + node.w - 1;
int miny = node.y + 1;
int maxy = node.y + node.h - 1;
int x, y;
if (!roomWalls)
{
if (minx > 1) minx--;
if (miny > 1) miny--;
}
if (maxx == SAMPLE_SCREEN_WIDTH - 1) maxx--;
if (maxy == SAMPLE_SCREEN_HEIGHT - 1) maxy--;
if (randomRoom)
{
minx = rnd.GetRandomInt(minx, maxx - minRoomSize + 1);
miny = rnd.GetRandomInt(miny, maxy - minRoomSize + 1);
maxx = rnd.GetRandomInt(minx + minRoomSize - 1, maxx);
maxy = rnd.GetRandomInt(miny + minRoomSize - 1, maxy);
}
// resize the node to fit the room
// printf("node %dx%d %dx%d => room %dx%d %dx%d\n",node->x,node->y,node->w,node->h,minx,miny,maxx-minx+1,maxy-miny+1);
node.x = minx;
node.y = miny;
node.w = maxx - minx + 1;
node.h = maxy - miny + 1;
// dig the room
for (x = minx; x <= maxx; x++)
{
for (y = miny; y <= maxy; y++)
{
bsp_map[x,y] = ' ';
}
}
}
else
{
// printf("lvl %d %dx%d %dx%d\n",node->level, node->x,node->y,node->w,node->h);
// resize the node to fit its sons
TCODBSP left = node.GetLeft();
TCODBSP right = node.GetRight();
node.x = System.Math.Min(left.x, right.x);
node.y = System.Math.Min(left.y, right.y);
node.w = System.Math.Max(left.x + left.w, right.x + right.w) - node.x;
node.h = System.Math.Max(left.y + left.h, right.y + right.h) - node.y;
// create a corridor between the two lower nodes
if (node.horizontal)
{
// vertical corridor
if (left.x + left.w - 1 < right.x || right.x + right.w - 1 < left.x)
{
// no overlapping zone. we need a Z shaped corridor
int x1 = rnd.GetRandomInt(left.x, left.x + left.w - 1);
int x2 = rnd.GetRandomInt(right.x, right.x + right.w - 1);
int y = rnd.GetRandomInt(left.y + left.h, right.y);
vline_up(bsp_map, x1, y - 1);
hline(bsp_map, x1, y, x2);
vline_down(bsp_map, x2, y + 1);
}
else
{
// straight vertical corridor
int minx = System.Math.Max(left.x, right.x);
int maxx = System.Math.Min(left.x + left.w - 1, right.x + right.w - 1);
int x = rnd.GetRandomInt(minx, maxx);
vline_down(bsp_map, x, right.y);
vline_up(bsp_map, x, right.y - 1);
}
}
else
{
// horizontal corridor
if (left.y + left.h - 1 < right.y || right.y + right.h - 1 < left.y)
{
// no overlapping zone. we need a Z shaped corridor
int y1 = rnd.GetRandomInt(left.y, left.y + left.h - 1);
int y2 = rnd.GetRandomInt(right.y, right.y + right.h - 1);
int x = rnd.GetRandomInt(left.x + left.w, right.x);
hline_left(bsp_map, x - 1, y1);
vline(bsp_map, x, y1, y2);
hline_right(bsp_map, x + 1, y2);
}
else
{
// straight horizontal corridor
int miny = System.Math.Max(left.y, right.y);
int maxy = System.Math.Min(left.y + left.h - 1, right.y + right.h - 1);
int y = rnd.GetRandomInt(miny, maxy);
hline_left(bsp_map, right.x - 1, y);
hline_right(bsp_map, right.x, y);
}
}
}
return true;
}